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Early tests on steel beams from the World Trade Center show they generally met or were stronger than design requirements, ruling them out as a contributing cause of the collapse of the towers, federal investigators said Wednesday.
It's my understanding that up until this point, the steel beams have been "officially" blamed as causing the collapse of both towers when they were superheated by the burning jet fuel.
Now that may not be the case.
Originally posted by MaskedAvatar
The point is this.
All structural steel was removed from the disaster site as soon as possible, under direction of the incumbent administration, using a strategic plan prepared for them by Controlld Demolition Inc.
There was no testing of the tensile strength or any other facet of the steel post hoc - not that testing could have bben conclusive. Anyway it was all removed and not subjected to scrutinous examination.
Implosion expert Mark Loizeaux of Controlled Demolition, Inc., observed the collapses on TV and felt each tower collapsed in a different way. The North tower, which was hit around the 90th floor, failed in a telescoping fashion. He believed the South tower, hit around the 60th floor, failed similar to the way a tree is felled, which apparently resulted in a wider swath of destruction to neighboring properties.